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delamination failure

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... fatigue failure, the delamination failure, and the rolling-contact wear. ceramics delamination failure fatigue cracks propagation rolling contact fatigue test machines rolling-contact fatigue rolling-contact wear spalling fatigue failure surface cracks TECHNICAL CERAMICS used...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
...; initial delamination is modelled. (c) Characterization data. (d) Life prediction of the skin-stringer interface Abstract Abstract Delamination is one of the most commonly observed failure modes in composite materials. This article describes the three fundamental fracture failure modes...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003382
EISBN: 978-1-62708-195-5
... for durability and damage tolerance, the primary concerns are out-of-plane failures, such as delamination, material degradation associated with environment, stability under compression loading, large degree of scatter in fatigue life, and bearing failure of joints. This article presents an introductory...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003463
EISBN: 978-1-62708-195-5
... Fig. 1 Crack branching indicative of crack growth direction in transverse fractures. ∼0.02× Fig. 2 Flexural failure of a graphite-epoxy wing box. ∼0.03× Fig. 3 Delaminated surface revealing beach marks (arrow) indicative of mixed-mode failure in a graphite-epoxy laminate...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002415
EISBN: 978-1-62708-193-1
... level is essential for understanding the fatigue life of a laminated composite structure. This article describes fatigue failure of composite laminates in terms of layer cracking, delamination, and fiber break and interface debonding. It discusses the fatigue behavior of composite laminates in the form...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... Abstract A major cause of failure in components subjected to rolling or rolling/sliding contacts is contact fatigue. This article focuses on the rolling contact fatigue (RCF) performance and failure modes of overlay coatings such as those deposited by physical vapor deposition, chemical vapor...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... Fracture of Composites Interlayered with Nylon Particles , Compos. Sci. Technol. , Vol 56 , 1996 , p 1223 – 1240 10.1016/S0266-3538(96)00080-2 17. Kageyama K. and Kimpara I. , Delamination Failures in Polymer Composites , Mater. Sci. Eng. A , Vol 143 , 1991 , p 167 – 174...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003040
EISBN: 978-1-62708-200-6
... of unidirectional carbon yarns in the flanges of the I-beam produced as much as a three-fold increase in compressive resistance. Furthermore, the delamination failure found in laminated composites was not observed in any of the I-beams as a result of the high degree of through-thickness strength in the three...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003386
EISBN: 978-1-62708-195-5
.../2220-3 graphite/epoxy laminate showing damage due to impact with energy of 40 J (30 ft · lbf). Diagonal shear cracks in matrix are seen and extensive delamination has occurred. Fig. 6 The compression after impact (CAI) failure sequence. (1) At the beginning of the load cycle the damaged...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003467
EISBN: 978-1-62708-195-5
... delaminations (arrows) and excessive fiber waviness. 3.5× Fig. 12 Higher magnification of spar cap cross section showing excessive fiber waviness (black arrows) and high void content (white arrow). 40× Fig. 13 Striations (arrows) in resin of fractured surfaces, indicative of fatigue failure...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006043
EISBN: 978-1-62708-172-6
.... Because these contaminants came in contact with the coating after the coating delaminated, their presence gives no pertinent evidence as to the cause of the original coating failure and may interfere with the laboratory investigation. When it is suspected that the coating was significantly contaminated...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
... against a wharf in heavy seas. Mechanical damage can include surface scratches, matrix cracking, delamination cracking, fiber failure, and, in severe cases, rupture and penetration of the composite hull. The significance of these damage types will depend upon the particular ship structure. Table 2 gives...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003378
EISBN: 978-1-62708-195-5
... Unsymmetric Laminates Thermal Expansion Moisture Expansion Conductivity Interlaminar Cracking, Free-Edge Delamination Intralaminar Cracking, Transverse Cracks Initial Failure Subsequent Failures Strength Fracture Stresses Due to Mechanical Loads Stresses Due to Temperature...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... in the previous section. Fatigue failure in impact is mainly induced in the white layer—the subsurface zone including the wear surface (see Fig. 2 ) ( Ref 8 , 9 , 22 , 23 ). Two mechanisms have been identified within the white layer. These explain the occurrence of delamination and spalling of impacting...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003453
EISBN: 978-1-62708-195-5
... while the steel reinforcement yielded. Fig. 12 Delamination of fiber-reinforced polymer composite from concrete slab in flexural failure. The concrete remaining on the composite indicates good bond. Fig. 13 Fiber-reinforced polymer sheet applied to the side of a beam to increase...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003459
EISBN: 978-1-62708-195-5
... holes and punctures, delaminations, disbonds, core and resin damage, and water intrusion. The article describes various damage detection techniques, such as visual inspection, tap testing, and ultrasonic inspection, in field conditions. Designing for repair involves various considerations including...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... concludes with a discussion on the split-Hopkinson pressure bar test. compression testing fatigue testing fiber-reinforced composites flexure testing interlaminar failure mechanical properties mechanical testing nondestructive techniques shear testing split-hopkinson pressure bar test strain...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003458
EISBN: 978-1-62708-195-5
... Production error Low-energy impact Puncture Effect on Residual strength Residual stiffness Core damage Minimal Moderate Significant Limited Small Cut fibers Few Minimal Significant Significant Significant Matrix cracks Few Many Many Limited Small Delaminations Minimal...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006360
EISBN: 978-1-62708-192-4
... the test, and a critical load-to-scratch failure can be determined. Scratch speed, load, and tip shape/material are variables to consider when evaluating the scratch damage results. Diamondlike carbon coating thickness may be measured using a “Calotest” ball-crater test. A ball is rotated in contact...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... cracking and coating delamination occurs. An intermediate zone is found between the central and peripheral regions on the internal side of the rim formed around the indentation. The intermediate zone exhibits adhesive-cohesive failure of the coating under the buildup of shear stresses that arise from...